نتایج جستجو برای: trough plasma concentration
تعداد نتایج: 699116 فیلتر نتایج به سال:
OBJECTIVES To assess the impact of the loss-of-function CYP3A5*3 allele (rs776746, 6986A>G SNP) on darunavir (DRV) plasma concentrations. METHODS 135 HIV-1 infected patients treated with DRV-based therapy were included in the study and plasma samples were obtained immediately before drug intake in order to determine DRV trough concentrations using an ultra performance liquid chromatography me...
BACKGROUND Dabigatran etexilate may be underutilized in geriatric patients because of inadequate clinical experience in individuals with severe renal impairment and post-marketing reports of bleeding events. Assessing the degree of anticoagulation may improve the risk:benefit ratio for dabigatran. The aim of this prospective study was to identify whether therapeutic drug monitoring of dabigatra...
Durable suppression of HIV-1 replication requires the establishment of antiretroviral drug concentrations that exceed the susceptibility of the virus strain(s) infecting the patient. Minimum plasma drug concentrations (C(trough)) are correlated with response, but determination of target C(trough) values is hindered by a paucity of in vivo concentration-response data. In the absence of these dat...
The pharmacokinetics of mycophenolic acid (MPA) was studied after oral administration of mycophenolate mofetil (MMF) in 8 liver transplant patients. The mean (+/- SD) maximum MPA plasma concentration of 10.6 (+/- 7.5) mg/ml was achieved within 0.5 to 5 hours. The mean (+/- SD) steady-state area under the plasma concentration versus time curve (AUC(0-12)) was 40 (+/- 30.9) mg/ml/h. The mean (+/-...
OBJECTIVES As there are conflicting findings regarding the clearance-dose and patient characteristics relationships for valproic acid (VPA), this study was conducted to investigate the relationship between patient demographic characteristics, VPA dosage and the drug clearance in adult Iranian patients. MATERIALS AND METHODS Patients (N= 47) were either on monotherapy with VPA or were under co...
BACKGROUND For imatinib, a relationship between systemic exposure and clinical outcome has been suggested. Importantly, imatinib concentrations are not stable and decrease over time, for which several mechanisms have been suggested. In this study, we investigated if a decrease in alpha-1 acid glycoprotein (AGP) is the main cause of the lowering in imatinib exposure over time. METHODS We prosp...
In normal subjects, receiving multiple dosing regimens with Slophyllin and Phyllocontin in does calculated to give either 4 mg/kg or 6mg/kg theophylline free acid twice daily, serum theophylline concentrations were frequently less than 8 mg/l. Accumulation of the serum theophylline trough concentration occurred during the first 3 days of multiple dosing, and was followed by subsequent stabiliza...
The aim of this study was to investigate the association of genetic variants of CYP2C19 (CYP2C19*2, CYP2C19*3 and CYP2C19*17 alleles) and voriconazole trough plasma concentrations in Thai patients with invasive fungal infection. A total of 285 samples from patients with invasive fungal infection and treated with voriconazole were prospectively enrolled. At steady state, trough voriconazole conc...
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